package com.example.epic.config;

import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.BindingBuilder;
import org.springframework.amqp.core.DirectExchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.rabbit.connection.ConnectionFactory;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
/*
@Configuration
public class RabbitMqConfig {

    // 实现序列化，这样实体类对象就不用实现序列号接口
    @Bean
    public RabbitTemplate jacksonRabbitTemplate(ConnectionFactory connectionFactory){
        RabbitTemplate rabbitTemplate = new RabbitTemplate(connectionFactory);
        rabbitTemplate.setMessageConverter(new Jackson2JsonMessageConverter());
        return rabbitTemplate;
    }


    // durable:是否持久化,默认是false,持久化队列：会被存储在磁盘上，当消息代理重启时仍然存在，暂存队列：当前连接有效
    // exclusive:默认也是false，只能被当前创建的连接使用，而且当连接关闭后队列即被删除。此参考优先级高于durable
    // autoDelete:是否自动删除，当没有生产者或者消费者使用此队列，该队列会自动删除。

    // Queue(String name, boolean durable, boolean exclusive, boolean autoDelete, @Nullable Map<String, Object> arguments)
    @Bean
    public Queue inOutRecordQueue(){
        // 队列 起名：inOutRecord
        return new Queue("inOutRecordQueue", true);
    }

    // Direct交换机 起名：inOutRecordDirectExchange
    // DirectExchange(String name, boolean durable, boolean autoDelete)
    @Bean
    public DirectExchange inOutRecordDirectExchange(){
        return new DirectExchange("inOutRecordDirectExchange", true, false);
    }

    // 绑定  将队列和交换机绑定, 并设置用于匹配键：inOutRecor
    @Bean
    public Binding bindDirectExchange(){
        return BindingBuilder.bind(inOutRecordQueue()).to(inOutRecordDirectExchange()).with("inOutRecor");
    }
}
*/